1. insert key in oily sand. 2. insert key in keyhole. two steps. instant faked picked lock proof. otherwise, use a softer metal on the picks (or plastic, or

1. insert key in oily sand. 2. insert key in keyhole. two steps. instant faked picked lock proof. otherwise, use a softer metal on the picks (or plastic, or grease the picks, or as every criminal does, apply soap to the tips), and pick without any markings.